Daikin RR100MY1 User Manual

Pocket
Manual
Service Diagnosis
Si20 - 701_B

Daikin RR100MY1 Specifications

General

Brand	Daikin
Model	RR100MY1
Category	Air Conditioner
Language	English

Summary

Symptom-based Troubleshooting

2.2 Equipment does not Operate

Details causes and solutions for when the equipment fails to operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Addresses troubleshooting steps when the indoor fan runs but the compressor does not.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Outlines troubleshooting for operations that start and then stop abruptly.

2.5 After Unit Shuts Down, It cannot be Restarted for a While

Provides solutions for issues preventing unit restart after shutdown.

2.6 Equipment Operates but does not Provide Cooling

Covers troubleshooting for units that run but don't provide cooling.

2.7 Equipment Operates but does not Provide Heating

Details troubleshooting for units that run but don't provide heating.

2.11 Remote Controller LCD Displays "88"

Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

Explains the process of performing self-diagnosis using the remote controller.

3.2 Error Codes and Description

Lists and describes various error codes for troubleshooting.

3.3 Detailed Error Codes

Provides detailed explanations and diagnostic steps for specific error codes.

3.4 A0 Error of External Protection Device

Details troubleshooting for error code A0 related to external protection devices.

3.5 A1 Indoor Unit PCB Abnormality

Covers troubleshooting for error A1 indicating an indoor unit PCB abnormality.

3.6 A3 Drain Water Level System Abnormality

Addresses error A3 related to drain water level system abnormalities.

3.7 A6 Indoor Unit Fan Motor Abnormality

Outlines troubleshooting for error A6 concerning indoor unit fan motor abnormalities.

3.11 A9 Electronic Expansion Valve Coil (Y1E) Abnormality

Guides on troubleshooting error A9 related to the electronic expansion valve coil.

3.15 C1 Transmission Error (between Indoor Unit PCB and Fan PCB)

Details troubleshooting for error C1 regarding transmission between indoor unit PCB and fan PCB.

3.21 E0 Actuation of Safety Device

Outlines troubleshooting for error E0 related to safety device actuation.

3.24 E3 High Pressure System Abnormality

Guides on troubleshooting error E3 related to high pressure system abnormalities.

3.28 E4 Low Pressure System Abnormality

3.33 E6 Compressor Overcurrent

3.35 E9 Electronic Expansion Valve Abnormality

3.41 H3 High Pressure Switch Abnormality

3.43 H4 Low Pressure Sensor System Abnormality

3.45 H9, J3, J5, J6, J7, J8 Thermistor System Abnormality

3.56 L1 Outdoor Unit PCB Abnormality

3.61 L5 Overcurrent of DC Output (Instantaneous)

3.72 LC Transmission Error Between Inverter and Control PCB

3.83 U0 Refrigerant Shortage

3.86 U1 Reverse Phase

3.92 U4 or UF Transmission Error (Between Indoor Unit and Outdoor Unit)

3.94 U5 Transmission Error Between Indoor Unit and Remote Controller

3.97 U9 Transmission Error Between Indoor and Outdoor Units in the Same System

3.98 UA Defective Field Setting Switch

3.102 UC Centralized Address Setting Error

3.104 UE Transmission Error between Centralized Controller and Indoor Unit

3.105 UF Mis-connection of Field Wiring

3.107 UF Transmission Error between Indoor and Outdoor Unit / Piping and Wiring Mismatch / Refrigerant Shortage

3.109 UH System Error, Refrigerant System Address Undefined